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A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five days per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment: Does the type of exercise treatments influence weight loss significantly? Use a = 5%. Treatment IMean Std. Dev.n 13.8 Long periods Multiple short periods Multiple short periods with treadmill 2.2 11.0 13.5 2.5 3.2 Set up the alternative hypothesis ( H. ): O At least one of the proportions is different from the others O At least one of the standard deviations is different from the others. O The distribution of the categorical variable is not as given by the null hypothesis (lack of fit) O The distribution of the categorical variable is not the same across populations or treatments O At least one of the means is different from the others

A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five days per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment: Does the type of exercise treatments influence weight loss significantly? Use a = 5%. Treatment IMean Std. Dev.n 13.8 Long periods Multiple short periods Multiple short periods with treadmill 2.2 11.0 13.5 2.5 3.2 Set up the alternative hypothesis ( H. ): O At least one of the proportions is different from the others O At least one of the standard deviations is different from the others. O The distribution of the categorical variable is not as given by the null hypothesis (lack of fit) O The distribution of the categorical variable is not the same across populations or treatments O At least one of the means is different from the others

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...
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A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five days per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment: Does the type of exercise treatments influence weight loss significantly? Use a = 5%. Treatment Std. Dev. Long periods Multiple short periods Multiple short periods with treadmill Mean 13.8 11.0 13.5 2.2 2.5 3.2 Set up the alternative hypothesis ( H. ): O At least one of the proportions is different from the others O At least one of the standard deviations is different from the others. O The distribution of the categorical variable is not as given by the null hypothesis (lack of fit) O The distribution of the categorical variable is not the same across populations or treatments O At least one of the means is different from the others O The three categorical variables are dependent
Transcribed Image Text:A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five days per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment: Does the type of exercise treatments influence weight loss significantly? Use a = 5%. Treatment Std. Dev. Long periods Multiple short periods Multiple short periods with treadmill Mean 13.8 11.0 13.5 2.2 2.5 3.2 Set up the alternative hypothesis ( H. ): O At least one of the proportions is different from the others O At least one of the standard deviations is different from the others. O The distribution of the categorical variable is not as given by the null hypothesis (lack of fit) O The distribution of the categorical variable is not the same across populations or treatments O At least one of the means is different from the others O The three categorical variables are dependent
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